CN209878038U - High-precision electromagnetic flowmeter - Google Patents
High-precision electromagnetic flowmeter Download PDFInfo
- Publication number
- CN209878038U CN209878038U CN201920996341.7U CN201920996341U CN209878038U CN 209878038 U CN209878038 U CN 209878038U CN 201920996341 U CN201920996341 U CN 201920996341U CN 209878038 U CN209878038 U CN 209878038U
- Authority
- CN
- China
- Prior art keywords
- flowmeter
- flange
- pipeline
- lower extreme
- water pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 229920003023 plastic Polymers 0.000 claims abstract description 23
- 239000004033 plastic Substances 0.000 claims abstract description 23
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 6
- 238000005259 measurement Methods 0.000 abstract description 5
- 229920001903 high density polyethylene Polymers 0.000 description 14
- 238000001514 detection method Methods 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 3
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Measuring Volume Flow (AREA)
Abstract
The utility model discloses a high accuracy electromagnetic flowmeter, including the flowmeter head, the display screen is installed to the one end of flowmeter head, the treater is installed to the lower extreme of display screen, the flowmeter pipeline is installed to the lower extreme of flowmeter head, the signal processing converter is installed to the inboard of flowmeter pipeline, the lower extreme of signal processing converter is installed and is surveyed buret outer wall, the flowmeter flange is all installed at the both ends of surveying buret outer wall, the water pipe flange is installed to the one end of flowmeter flange, the screw is installed to the inboard of water pipe flange, the screw cap is installed to the one end of screw. The utility model discloses a series of structural design make the device can measure the total flow many times under the different velocity of flow of inside liquid, and then improve the accuracy that detects and reduce the error, and can change the plastics inside lining comparatively convenient and fast ground to reduce interior village wearing and tearing and incrustation scale etc. to the influence of instrument measurement.
Description
Technical Field
The invention relates to the technical field of high-precision electromagnetic flowmeters, in particular to a high-precision electromagnetic flowmeter.
Background
With the rapid development of social economy, the structure of the electromagnetic flowmeter mainly comprises a magnetic circuit system, a measuring conduit, an electrode, a shell, a lining, a converter and the like, and the pipeline of the electromagnetic flowmeter is not provided with other components, so that the electromagnetic flowmeter can be used for measuring the flow of non-conductive liquid with various viscosities besides the flow of conductive fluid. Electromagnetic flow meters are often used in the nuclear power industry.
However, the existing device can not measure the total flow for many times under different flow rates of the internal liquid, can not improve the accuracy of detection so as to reduce errors, can not replace the plastic lining more conveniently and quickly, and can not reduce the influence of the abrasion of the inner village, the water scale and the like on the measurement of the instrument; therefore, the existing requirements are not met, and a high-precision electromagnetic flowmeter is provided for the requirements.
Disclosure of Invention
The invention aims to provide a high-precision electromagnetic flowmeter, which solves the problems that the prior device proposed in the background art cannot measure the total flow for multiple times under different flow rates of internal liquid, cannot improve the detection accuracy so as to reduce errors, cannot replace a plastic lining conveniently and quickly, cannot reduce the influence of inner-village abrasion, water scale and the like on instrument measurement, and the like.
In order to achieve the purpose, the invention provides the following technical scheme: a high-precision electromagnetic flowmeter comprises a flowmeter head, wherein a display screen is installed at one end of the flowmeter head, a processor is installed at the inner end of the flowmeter head, a flowmeter pipeline is installed at the lower end of the flowmeter head, a signal processing converter is installed on the inner side of the flowmeter pipeline, a measuring pipeline is installed at the lower end of the signal processing converter, flowmeter flanges are installed at the two ends of the measuring pipeline, a water pipe flange is installed at one end of the flowmeter flange, a screw is installed on the inner side of the water pipe flange, a screw cap is installed at one end of the screw, a water pipe is installed at one end of the water pipe flange, a rubber pad is installed on the inner side of the measuring pipeline, an iron core is installed at the two ends of the lower end of the rubber pad, a coil is wound on the outer surface of the iron core, the inboard of plastics inside lining is provided with the recess, the packing ring is all installed at plastics inside lining both ends, survey the inboard both ends of buret and be provided with the electrode, the fixture block is all installed to the upper end and the lower extreme of surveying inboard buret.
Preferably, one side of the flowmeter flange is connected with the water pipe flange through a screw.
Preferably, the lower end of the flowmeter pipeline is completely attached to the upper end of the measuring pipeline, and the flowmeter pipeline is connected with the measuring pipeline through welding.
Preferably, the coil is a copper wire coil.
Preferably, the lower end of the measuring pipeline is completely attached to the upper end of the third flange, and the measuring pipeline is connected with the third flange through bolts.
Preferably, the cross section of the inner part of the plastic lining is in a convex shape.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention passes through the water pipe by water flow, then passes through the water pipe flange and the flowmeter flange, and then enters the plastic lining on the inner side of the outer wall of the measuring pipe, when water flows to the foremost area of the plastic lining, according to the Faraday's law of electromagnetic induction, when the water flows in the magnetic field generated by the cutting iron core and the coil, an induced potential is generated, the induced potential can be calculated under the action of the electrode and the signal processing converter to obtain the foremost flow of the plastic lining, when water flows through the middle of the plastic lining and the rear end of the plastic lining in the same way, the flow of the corresponding position can be calculated for a plurality of times, the average value of the three times of detected information is obtained under the action of the processor and is used as the final data to be displayed by the display screen, according to the steps, the total flow can be measured for many times under different flow rates of the liquid in the liquid container through three times of detection, so that the detection accuracy is improved, and the error is reduced;
2. the invention separates the flowmeter flange from the water pipe flange by dismounting the screw, then detaches the flowmeter flange, removes the gaskets at the two ends of the plastic liner, allows the fixture block on the inner surface of the plastic liner to slide through the groove, replaces the next prepared plastic liner, installs the plastic liner according to the reverse steps, then installs the gaskets and the flowmeter flange, fixes the water pipe flange and the flowmeter flange by the screw and the screw cap, through the steps, the device can replace the plastic liner more conveniently and rapidly, so as to reduce the influence of the village abrasion, the scale and the like on the instrument measurement.
Drawings
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is an overall internal structural view of the present invention;
FIG. 3 is a partial schematic view of the plastic liner of the present invention;
in the figure: 1. a flow meter head; 2. a groove; 3. a flow meter conduit; 4. measuring a pipeline; 5. a flowmeter flange; 6. a water pipe flange; 7. a screw; 8. a screw cap; 9. a third flange; 10. a water pipe; 11. a display screen; 12. a processor; 13. a signal processing converter; 14. a gasket; 15. an iron core; 16. a coil; 17. a rubber pad; 18. a plastic liner; 19. an electrode; 20. a measurement tube; 21. and (7) clamping blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 3, an embodiment of the present invention includes: a high-precision electromagnetic flowmeter comprises a flowmeter head 1, a display screen 11 is installed at one end of the flowmeter head 1, a processor 12 is installed at the inner end of the flowmeter head 1, a flowmeter pipeline 3 is installed at the lower end of the flowmeter head 1, a signal processing converter 13 is installed on the inner side of the flowmeter pipeline 3, a measuring pipeline 4 is installed at the lower end of the signal processing converter 13, flowmeter flanges 5 are installed at two ends of the measuring pipeline 4, a water pipe flange 6 is installed at one end of each flowmeter flange 5, a screw 7 is installed on the inner side of each water pipe flange 6, the sealing performance of a water pipe 10 is guaranteed, a screw cap 8 is installed at one end of each screw 7, a water pipe 10 is installed at one end of each water pipe flange 6, a rubber pad 17 is installed on the inner side of the measuring pipeline 4, the durability of the device is guaranteed, an iron core 15, a measuring pipe 20 is mounted at the lower end of the coil 16, plastic linings 18 are mounted at the lower ends of the measuring pipe 20, grooves 2 are formed in the inner sides of the plastic linings 18, gaskets 14 are mounted at two ends of each plastic lining 18, electrodes 19 are arranged at two ends of the inner side of the measuring pipe 20, and clamping blocks 21 are mounted at the upper end and the lower end of the inner side of the measuring pipe 20.
Furthermore, one side of the flowmeter flange 5 is connected with the water pipe flange 6 through a screw 7, so that the tightness of the device is ensured.
Further, the lower extreme of flowmeter pipeline 3 and the upper end of measuring pipe 4 laminate completely, and flowmeter pipeline 3 passes through welded connection with measuring pipe 4, has guaranteed the stability of device.
Further, the coil 16 is a copper wire coil, so that the device can effectively generate a stable magnetic field.
Further, the lower end of the measuring pipeline 4 is completely attached to the upper end of the third flange 9, the measuring pipeline 4 is connected with the third flange 9 through bolts, and the sealing performance of the device is guaranteed.
Further, the cross-section of the interior of the plastic liner 18 is embossed so that water flows through the interior of the plastic liner 18 at different locations to produce different flow rates.
The working principle is as follows: when the device is used, when water flows through the water pipe 10, the water pipe flange 6 and the flowmeter flange 5 and then enters the plastic lining 18 on the inner side of the measuring pipeline 4, when the water flows to the foremost area of the plastic lining 18, according to Faraday's law of electromagnetic induction, the water generates induced potential when cutting the magnetic field generated by the iron core 15 and the coil 16, the induced potential can be calculated under the action of the electrode 19 and the signal processing converter 13 to obtain the foremost flow of the plastic lining 18, when the water flows through the middle of the plastic lining 18 and the area at the rear end of the plastic lining 18 in the same way, the flow at the corresponding position can be calculated for multiple times, the average value of the three detected information is obtained under the action of the processor 12 and is displayed by the display screen 11 as final data, and according to the steps, the three times of detection are carried out, the total flow can be measured for multiple times under different flow rates of, and then improve the accuracy of detection and reduce the error, with flowmeter flange 5 and water pipe flange 6 separation, then remove flowmeter flange 5 again, get away the packing ring 14 at plastic liner 18 both ends, let the fixture block 21 of plastic liner 18 internal surface slide through recess 2, change the next plastic liner 18 of preparing, according to opposite step, install plastic liner 18, install packing ring 14 and flowmeter flange 5 again, fix water pipe flange 6 and flowmeter flange 5 with screw 7 and screw cap 8, through above steps, reach the effect of changing plastic liner 18, make the incrustation scale can not influence the precision of inspection.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a high accuracy electromagnetic flowmeter, includes flowmeter head (1), display screen (11) are installed to the one end of flowmeter head (1), treater (12) are installed to the inner of flowmeter head (1), flowmeter pipeline (3) are installed to the lower extreme of flowmeter head (1), signal processing converter (13) are installed to the inboard of flowmeter pipeline (3), signal processing converter (13)'s lower extreme is installed and is measured pipeline (4), flowmeter flange (5) are all installed at the both ends of measuring pipeline (4), water pipe flange (6) are installed to the one end of flowmeter flange (5), screw (7) are installed to the inboard of water pipe flange (6), screw cap (8) are installed to the one end of screw (7), water pipe (10) are installed to the one end of water pipe flange (6), rubber pad (17) are installed to the inboard of measuring pipeline (4), iron core (15) are installed at the both ends of the lower extreme of rubber pad (17), the surface winding of iron core (15) has coil (16), survey buret (20) are installed to the lower extreme of coil (16), plastics inside lining (18) are all installed to the lower extreme of surveying buret (20), the inboard of plastics inside lining (18) is provided with recess (2), packing ring (14) are all installed at plastics inside lining (18) both ends, the both ends of surveying buret (20) inboard are provided with electrode (19), fixture block (21) are all installed to the upper end and the lower extreme of surveying buret (20) inboard.
2. A high accuracy electromagnetic flowmeter as set forth in claim 1 wherein: one side of the flowmeter flange (5) is connected with the water pipe flange (6) through a screw (7).
3. A high accuracy electromagnetic flowmeter as set forth in claim 1 wherein: the lower extreme of flowmeter pipeline (3) and the upper end of measuring pipe way (4) are laminated completely, flowmeter pipeline (3) and measuring pipe way (4) are through welded connection.
4. A high accuracy electromagnetic flowmeter as set forth in claim 1 wherein: the coil (16) is a copper wire coil.
5. A high accuracy electromagnetic flowmeter as set forth in claim 1 wherein: the lower end of the measuring pipeline (4) is completely attached to the upper end of the third flange (9), and the measuring pipeline (4) is connected with the third flange (9) through bolts.
6. A high accuracy electromagnetic flowmeter as set forth in claim 1 wherein: the cross section of the inner part of the plastic inner liner (18) is convex.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920996341.7U CN209878038U (en) | 2019-06-28 | 2019-06-28 | High-precision electromagnetic flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920996341.7U CN209878038U (en) | 2019-06-28 | 2019-06-28 | High-precision electromagnetic flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209878038U true CN209878038U (en) | 2019-12-31 |
Family
ID=68948679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920996341.7U Expired - Fee Related CN209878038U (en) | 2019-06-28 | 2019-06-28 | High-precision electromagnetic flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209878038U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113069952A (en) * | 2021-05-13 | 2021-07-06 | 盾构及掘进技术国家重点实验室 | Mixing device for improving measurement precision of shield mud electromagnetic flowmeter |
-
2019
- 2019-06-28 CN CN201920996341.7U patent/CN209878038U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113069952A (en) * | 2021-05-13 | 2021-07-06 | 盾构及掘进技术国家重点实验室 | Mixing device for improving measurement precision of shield mud electromagnetic flowmeter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191231 |